SUDDEN ACCELERATION PROBLEM OCCURRED WHEN A 2004 GX-470 DECELERATED FROM 30 MPH TO APPROXIMATELY 2 MPH TO TURN LEFT INTO A DRIVEWAY WHEN THE VEHICLE ACCELERATED FULL THROTTLE AND COLLIDED WITH A PARKED CAR IN THE DRIVEWAY. THERE WERE TWO PASSENGERS IN THE VEHICLE, ONE IN THE FRONT NEXT TO THE DRIVER THE SECOND AN INFANT IN A CAR SEAT IN THE BACK CENTER POSITION OF THE VEHICLE. THE SUDDEN ACCELERATION WAS COINCIDENT AS THE DRIVER INITIATED THE TURN INTO THE DRIVEWAY, THE FRONT CAR TIRES WHERE FULLY TURNED TO THE LEFT AND THE PASSENGER IN THE FRONT SEAT OPENED THE FRONT LEFT CAR DOOR TO EXIT THE VEHICLE BEFORE IT WAS FULLY STOPPED. THE SUDDEN ACCELERATION PUSHED THE PASSENGER EXITING THE VEHICLE BACK INTO HIS SEAT AND HE NEVER WAS ABLE TO EXIT THE VEHICLE. IT SHOULD BE NOTED THAT THIS PROBLEM OCCURRED IN SOUTHERN CALIFORNIA AND THERE WERE NO ADDITIONAL MATS IN THE VEHICLE OTHER THAN THE ORIGINAL LEXUS CAR MATS. IN ADDITION A POSSIBLE RELATED SYMPTOM OCCURRED TWICE OVER THE FOUR YEAR HISTORY OF THE VEHICLE. THE VEHICLE HAS BEEN SENT BACK TO LEXUS IN WHICH IT WAS REPORTED THAT WHEN THE VEHICLE WAS IN PALM SPRINGS AND THE TEMPERATURE WAS OVER 110 DEGREES THAT THERE WERE ACCELERATION PROBLEMS WITH THE VEHICLE. LEXUS RETURNED THE VEHICLE INDICATING THAT THEY COULD NOT REPEAT THE PROBLEM BUT DID NOT INVESTIGATE THE PROBLEM UNDER THE HEAT CONDITIONS. EVEN AFTER THE ACCIDENT LEXUS REFUSES TO TEST THE VEHICLE UNDER THE HEAT CONDITIONS. THE DAY OF THE ACCIDENT THE TEMPERATURE WAS ABOUT 7